99789365 has 16 divisors (see below), whose sum is σ = 129629808. Its totient is φ = 73307136.

The previous prime is 99789359. The next prime is 99789401. The reversal of 99789365 is 56398799.

It can be written as a sum of positive squares in 8 ways, for example, as 12945604 + 86843761 = 3598^2 + 9319^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99789365 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 99789365.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8909 + ... + 16701.

It is an arithmetic number, because the mean of its divisors is an integer number (8101863).

Almost surely, 2^99789365 is an apocalyptic number.

It is an amenable number.

99789365 is a deficient number, since it is larger than the sum of its proper divisors (29840443).

99789365 is a wasteful number, since it uses less digits than its factorization.

99789365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8008.

The product of its digits is 3674160, while the sum is 56.

The square root of 99789365 is about 9989.4626982636. The cubic root of 99789365 is about 463.8327605898.

The spelling of 99789365 in words is "ninety-nine million, seven hundred eighty-nine thousand, three hundred sixty-five".